use Buffer everywhere

docs/src/api/params.md

@@ -531,9 +531,9 @@ Does not enforce fixed viewport, allows resizing window in the headed mode.
 - `clientCertificates` <[Array]<[Object]>>
   - `origin` <[string]> Exact origin that the certificate is valid for. Origin includes `https` protocol, a hostname and optionally a port.
   - `certPath` ?<[path]> Path to the file with the certificate in PEM format.
-  - `cert` ?<[string]> Direct value of the certificate in PEM format.
+  - `cert` ?<[Buffer]> Direct value of the certificate in PEM format.
   - `keyPath` ?<[path]> Path to the file with the private key in PEM format.
-  - `key` ?<[string]> Direct value of the private key in PEM format.
+  - `key` ?<[Buffer]> Direct value of the private key in PEM format.
   - `pfxPath` ?<[path]> Path to the PFX or PKCS12 encoded private key and certificate chain.
   - `pfx` ?<[Buffer]> Direct value of the PFX or PKCS12 encoded private key and certificate chain.
   - `passphrase` ?<[string]> Passphrase for the private key (PEM or PFX).

packages/playwright-core/src/client/types.ts

@@ -49,9 +49,9 @@ export const kLifecycleEvents: Set<LifecycleEvent> = new Set(['load', 'domconten
 
 export type ClientCertificate = {
   origin: string;
-  cert?: string;
+  cert?: Buffer;
   certPath?: string;
-  key?: string;
+  key?: Buffer;
   keyPath?: string;
   pfx?: Buffer;
   pfxPath?: string;

packages/playwright-core/types/types.d.ts

@@ -9162,7 +9162,7 @@ export interface Browser {
       /**
        * Direct value of the certificate in PEM format.
        */
-      cert?: string;
+      cert?: Buffer;
 
       /**
        * Path to the file with the private key in PEM format.
@@ -9172,7 +9172,7 @@ export interface Browser {
       /**
        * Direct value of the private key in PEM format.
        */
-      key?: string;
+      key?: Buffer;
 
       /**
        * Path to the PFX or PKCS12 encoded private key and certificate chain.
@@ -13889,7 +13889,7 @@ export interface BrowserType<Unused = {}> {
       /**
        * Direct value of the certificate in PEM format.
        */
-      cert?: string;
+      cert?: Buffer;
 
       /**
        * Path to the file with the private key in PEM format.
@@ -13899,7 +13899,7 @@ export interface BrowserType<Unused = {}> {
       /**
        * Direct value of the private key in PEM format.
        */
-      key?: string;
+      key?: Buffer;
 
       /**
        * Path to the PFX or PKCS12 encoded private key and certificate chain.
@@ -16313,7 +16313,7 @@ export interface APIRequest {
       /**
        * Direct value of the certificate in PEM format.
        */
-      cert?: string;
+      cert?: Buffer;
 
       /**
        * Path to the file with the private key in PEM format.
@@ -16323,7 +16323,7 @@ export interface APIRequest {
       /**
        * Direct value of the private key in PEM format.
        */
-      key?: string;
+      key?: Buffer;
 
       /**
        * Path to the PFX or PKCS12 encoded private key and certificate chain.
@@ -20669,7 +20669,7 @@ export interface BrowserContextOptions {
     /**
      * Direct value of the certificate in PEM format.
      */
-    cert?: string;
+    cert?: Buffer;
 
     /**
      * Path to the file with the private key in PEM format.
@@ -20679,7 +20679,7 @@ export interface BrowserContextOptions {
     /**
      * Direct value of the private key in PEM format.
      */
-    key?: string;
+    key?: Buffer;
 
     /**
      * Path to the PFX or PKCS12 encoded private key and certificate chain.

tests/library/client-certificates.spec.ts

@@ -309,8 +309,8 @@ test.describe('browser', () => {
       ignoreHTTPSErrors: true,
       clientCertificates: [{
         origin: new URL(serverURL).origin,
-        cert: (await fs.promises.readFile(asset('client-certificates/client/trusted/cert.pem'))).toString(),
+        cert: await fs.promises.readFile(asset('client-certificates/client/trusted/cert.pem')),
-        key: (await fs.promises.readFile(asset('client-certificates/client/trusted/key.pem'))).toString(),
+        key: await fs.promises.readFile(asset('client-certificates/client/trusted/key.pem')),
       }],
     });
     await page.goto(serverURL);